Question

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Fill in the blanks
(a) Dalton used symbol ...............for oxygen and .................for hydrogen.
(b) Valency of hydrogen is .......................and oxygen is .................
(c) Symbolic expression for molecules is called.....
(d) Noble gases are ...
INTRO
IN​

Answer 1

Answer:

A. O, H.

B. 1, 2.

C. Chemical Formula.

D. Inert.

Hope this helps.